/*
 * Copyright (C) 2005 - 2013 MaNGOS <http://www.getmangos.com/>
 *
 * Copyright (C) 2008 - 2013 Trinity <http://www.trinitycore.org/>
 *
 * Copyright (C) 2010 - 2013 ProjectSkyfire <http://www.projectskyfire.org/>
 *
 * Copyright (C) 2011 - 2013 ArkCORE <http://www.arkania.net/>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

#include "gamePCH.h"
#include "Common.h"
#include "ObjectAccessor.h"
#include "ObjectMgr.h"
#include "WorldPacket.h"
#include "WorldSession.h"

#include "ArenaTeam.h"
#include "BattlegroundMgr.h"
#include "BattlegroundWS.h"
#include "Battleground.h"
#include "Chat.h"
#include "Language.h"
#include "Log.h"
#include "Player.h"
#include "Object.h"
#include "Opcodes.h"
#include "DisableMgr.h"
#include "Group.h"

#include "OutdoorPvPMgr.h"
#include "OutdoorPvPWG.h"

void WorldSession::HandleBattlemasterHelloOpcode (WorldPacket & recv_data)
{
    uint64 guid;
    recv_data >> guid;
    sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: Recvd CMSG_BATTLEMASTER_HELLO Message from (GUID: %u TypeId:%u)", GUID_LOPART(guid), GuidHigh2TypeId(GUID_HIPART(guid)));

    Creature *unit = GetPlayer()->GetMap()->GetCreature(guid);
    if (!unit)
        return;

    if (!unit->isBattleMaster())          // it's not battlemaster
        return;

    // Stop the npc if moving
    unit->StopMoving();

    SendBattlegGroundList(guid);
}

void WorldSession::SendBattlegGroundList (uint64 guid, BattlegroundTypeId bgTypeId)
{
    WorldPacket data;
    sBattlegroundMgr->BuildBattlegroundListPacket(&data, guid, _player, bgTypeId);
    SendPacket(&data);
}

void WorldSession::HandleBattlemasterJoinOpcode (WorldPacket & recv_data)
{
    uint8 joinAsGroup;
    uint32 bgTypeId_;
    uint32 unk, unk2;
    bool isPremade = false;
    Group * grp = NULL;

    recv_data >> joinAsGroup;          // join as group (join as group = 0x80, else 0x0)
    recv_data >> unk;          // unk
    recv_data >> bgTypeId_;          // battleground type id (DBC id)
    recv_data >> unk2;          // unk

    if (!sBattlemasterListStore.LookupEntry(bgTypeId_))
    {
        sLog->outError("Battleground: invalid bgtype (%u) received. possible cheater? player guid %u", bgTypeId_, _player->GetGUIDLow());
        return;
    }

    if (sDisableMgr->IsDisabledFor(DISABLE_TYPE_BATTLEGROUND, bgTypeId_, NULL))
    {
        ChatHandler(this).PSendSysMessage(LANG_BG_DISABLED);
        return;
    }

    BattlegroundTypeId bgTypeId = BattlegroundTypeId(bgTypeId_);

    // can do this, since it's battleground, not arena
    BattlegroundQueueTypeId bgQueueTypeId = BattlegroundMgr::BGQueueTypeId(bgTypeId, 0);
    BattlegroundQueueTypeId bgQueueTypeIdRandom = BattlegroundMgr::BGQueueTypeId(BATTLEGROUND_RB, 0);

    // ignore if player is already in BG
    if (_player->InBattleground())
        return;

    // get bg template
    Battleground *bg = sBattlegroundMgr->GetBattlegroundTemplate(bgTypeId);
    if (!bg)
        return;

    // expected bracket entry
    PvPDifficultyEntry const* bracketEntry = GetBattlegroundBracketByLevel(bg->GetMapId(), _player->getLevel());
    if (!bracketEntry)
        return;

    GroupJoinBattlegroundResult err;

    // check queue conditions
    if (!joinAsGroup)
    {
        if (GetPlayer()->isUsingLfg())
        {
            // player is using dungeon finder or raid finder
            WorldPacket data;
            sBattlegroundMgr->BuildGroupJoinedBattlegroundPacket(&data, ERR_LFG_CANT_USE_BATTLEGROUND);
            GetPlayer()->GetSession()->SendPacket(&data);
            return;
        }

        // check Deserter debuff
        if (!_player->CanJoinToBattleground())
        {
            WorldPacket data;
            sBattlegroundMgr->BuildGroupJoinedBattlegroundPacket(&data, ERR_GROUP_JOIN_BATTLEGROUND_DESERTERS);
            _player->GetSession()->SendPacket(&data);
            return;
        }

        if (_player->GetBattlegroundQueueIndex(bgQueueTypeIdRandom) < PLAYER_MAX_BATTLEGROUND_QUEUES)
        {
            //player is already in random queue
            WorldPacket data;
            sBattlegroundMgr->BuildGroupJoinedBattlegroundPacket(&data, ERR_IN_RANDOM_BG);
            _player->GetSession()->SendPacket(&data);
            return;
        }

        if (_player->InBattlegroundQueue() && bgTypeId == BATTLEGROUND_RB)
        {
            //player is already in queue, can't start random queue
            WorldPacket data;
            sBattlegroundMgr->BuildGroupJoinedBattlegroundPacket(&data, ERR_IN_NON_RANDOM_BG);
            _player->GetSession()->SendPacket(&data);
            return;
        }

        // check if already in queue
        if (_player->GetBattlegroundQueueIndex(bgQueueTypeId) < PLAYER_MAX_BATTLEGROUND_QUEUES)
            //player is already in this queue
            return;

        // check if has free queue slots
        if (!_player->HasFreeBattlegroundQueueId())
        {
            WorldPacket data;
            sBattlegroundMgr->BuildGroupJoinedBattlegroundPacket(&data, ERR_BATTLEGROUND_TOO_MANY_QUEUES);
            _player->GetSession()->SendPacket(&data);
            return;
        }

        BattlegroundQueue& bgQueue = sBattlegroundMgr->m_BattlegroundQueues[bgQueueTypeId];

        GroupQueueInfo * ginfo = bgQueue.AddGroup(_player, NULL, bgTypeId, bracketEntry, 0, false, isPremade, 0, 0);
        uint32 avgTime = bgQueue.GetAverageQueueWaitTime(ginfo, bracketEntry->GetBracketId());
        // already checked if queueSlot is valid, now just get it
        uint32 queueSlot = _player->AddBattlegroundQueueId(bgQueueTypeId);

        WorldPacket data;
        // send status packet (in queue)
        sBattlegroundMgr->BuildBattlegroundStatusPacket(&data, bg, queueSlot, STATUS_WAIT_QUEUE, avgTime, 0, ginfo->ArenaType);
        SendPacket(&data);
        sLog->outDebug(LOG_FILTER_BATTLEGROUND, "Battleground: player joined queue for bg queue type %u bg type %u: GUID %u, NAME %s", bgQueueTypeId, bgTypeId, _player->GetGUIDLow(), _player->GetName());
    }
    else
    {
        grp = _player->GetGroup();
        // no group found, error
        if (!grp)
            return;
        if (grp->GetLeaderGUID() != _player->GetGUID())
            return;
        err = grp->CanJoinBattlegroundQueue(bg, bgQueueTypeId, 0, bg->GetMaxPlayersPerTeam(), false, 0);
        isPremade = (grp->GetMembersCount() >= bg->GetMinPlayersPerTeam());

        BattlegroundQueue& bgQueue = sBattlegroundMgr->m_BattlegroundQueues[bgQueueTypeId];
        GroupQueueInfo * ginfo = NULL;
        uint32 avgTime = 0;

        if (err > 0)
        {
            sLog->outDebug(LOG_FILTER_BATTLEGROUND, "Battleground: the following players are joining as group:");
            ginfo = bgQueue.AddGroup(_player, grp, bgTypeId, bracketEntry, 0, false, isPremade, 0, 0);
            avgTime = bgQueue.GetAverageQueueWaitTime(ginfo, bracketEntry->GetBracketId());
        }

        for (GroupReference *itr = grp->GetFirstMember(); itr != NULL; itr = itr->next())
        {
            Player *member = itr->getSource();
            if (!member)
                continue;          // this should never happen

            WorldPacket data;

            if (err <= 0)
            {
                sBattlegroundMgr->BuildGroupJoinedBattlegroundPacket(&data, err);
                member->GetSession()->SendPacket(&data);
                continue;
            }

            // add to queue
            uint32 queueSlot = member->AddBattlegroundQueueId(bgQueueTypeId);

            // send status packet (in queue)
            sBattlegroundMgr->BuildBattlegroundStatusPacket(&data, bg, queueSlot, STATUS_WAIT_QUEUE, avgTime, 0, ginfo->ArenaType);
            member->GetSession()->SendPacket(&data);
            sBattlegroundMgr->BuildGroupJoinedBattlegroundPacket(&data, err);
            member->GetSession()->SendPacket(&data);
            sLog->outDebug(LOG_FILTER_BATTLEGROUND, "Battleground: player joined queue for bg queue type %u bg type %u: GUID %u, NAME %s", bgQueueTypeId, bgTypeId, member->GetGUIDLow(), member->GetName());
        }
        sLog->outDebug(LOG_FILTER_BATTLEGROUND, "Battleground: group end");
    }
    sBattlegroundMgr->ScheduleQueueUpdate(0, 0, bgQueueTypeId, bgTypeId, bracketEntry->GetBracketId());
}

void WorldSession::HandleBattlegroundPlayerPositionsOpcode (WorldPacket & /*recv_data*/)
{
    // empty opcode
    sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: Recvd CMSG_BATTLEGROUND_PLAYER_POSITIONS Message");

    Battleground *bg = _player->GetBattleground();
    if (!bg)          // can't be received if player not in battleground
        return;

    switch (bg->GetTypeID(true))
    {
    case BATTLEGROUND_WS:
    {
        uint32 count1 = 0;          //always constant zero?
        uint32 count2 = 0;          //count of next fields

        Player *ali_plr = sObjectMgr->GetPlayer(((BattlegroundWS*) bg)->GetAllianceFlagPickerGUID());
        if (ali_plr)
            ++count1;

        Player *horde_plr = sObjectMgr->GetPlayer(((BattlegroundWS*) bg)->GetHordeFlagPickerGUID());
        if (horde_plr)
            ++count2;

        WorldPacket data(SMSG_BATTLEGROUND_PLAYER_POSITIONS, (4 + 4 + 16 * count1 + 16 * count2), true);
        data << count1;          // alliance flag holders count
        data << count2;          // horde flag holders count
        if (ali_plr)
        {
            data << (float) ali_plr->GetPositionX();
            data << (float) ali_plr->GetPositionY();
            data << (uint64) ali_plr->GetGUID();
        }
        if (horde_plr)
        {
            data << (float) horde_plr->GetPositionX();
            data << (float) horde_plr->GetPositionY();
            data << (uint64) horde_plr->GetGUID();
        }

        SendPacket(&data);
    }
        break;
    case BATTLEGROUND_EY:
        //TODO : fix me!
        break;
    case BATTLEGROUND_AB:
    case BATTLEGROUND_AV:
    {
        //for other BG types - send default
        WorldPacket data(SMSG_BATTLEGROUND_PLAYER_POSITIONS, (4 + 4));
        data << uint32(0);
        data << uint32(0);
        SendPacket(&data);
    }
        break;
    default:
        //maybe it is sent also in arena - do nothing
        break;
    }
}

void WorldSession::HandlePVPLogDataOpcode (WorldPacket & /*recv_data*/)
{
    sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: Recvd MSG_PVP_LOG_DATA Message");

    Battleground *bg = _player->GetBattleground();
    if (!bg)
        return;

    WorldPacket data;
    sBattlegroundMgr->BuildPvpLogDataPacket(&data, bg);
    SendPacket(&data);

    sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: Sent MSG_PVP_LOG_DATA Message");
}

void WorldSession::HandleBattlefieldListOpcode (WorldPacket &recv_data)
{
    sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: Recvd CMSG_BATTLEFIELD_LIST Message");

    uint8 bgTypeId;
    recv_data >> bgTypeId;          // id from DBC

    WorldPacket data;
    sBattlegroundMgr->BuildBattlegroundListPacket(&data, 0, _player, BattlegroundTypeId(bgTypeId));
    SendPacket(&data);
}

void WorldSession::HandleBattleFieldPortOpcode (WorldPacket &recv_data)
{
    sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: Recvd CMSG_BATTLEFIELD_PORT Message");

    uint8 action;          // enter battle 128, leave queue 0
    // then goes uint64 that we sent to client in SMSG_BATTLEFIELD_STATUS3
    uint32 bgTypeId_;          // type id from dbc
    uint32 type;          // arenatype if arena

    recv_data >> action >> bgTypeId_ >> type;

    if (!sBattlemasterListStore.LookupEntry(bgTypeId_))
    {
        sLog->outError("BattlegroundHandler: invalid bgtype (%u) received.", bgTypeId_);
        return;
    }
    if (!_player->InBattlegroundQueue())
    {
        sLog->outError("BattlegroundHandler: Invalid CMSG_BATTLEFIELD_PORT received from player (%u), he is not in bg_queue.", _player->GetGUIDLow());
        return;
    }

    //get GroupQueueInfo from BattlegroundQueue
    BattlegroundTypeId bgTypeId = BattlegroundTypeId(bgTypeId_);
    BattlegroundQueueTypeId bgQueueTypeId = BattlegroundMgr::BGQueueTypeId(bgTypeId, (uint8) type);
    BattlegroundQueue& bgQueue = sBattlegroundMgr->m_BattlegroundQueues[bgQueueTypeId];
    //we must use temporary variable, because GroupQueueInfo pointer can be deleted in BattlegroundQueue::RemovePlayer() function
    GroupQueueInfo ginfo;
    if (!bgQueue.GetPlayerGroupInfoData(_player->GetGUID(), &ginfo))
    {
        sLog->outError("BattlegroundHandler: itrplayerstatus not found.");
        return;
    }
    // if action == 1, then instanceId is required
    if (!ginfo.IsInvitedToBGInstanceGUID && action == 1)
    {
        sLog->outError("BattlegroundHandler: instance not found.");
        return;
    }

    Battleground *bg = sBattlegroundMgr->GetBattleground(ginfo.IsInvitedToBGInstanceGUID, bgTypeId);

    // bg template might and must be used in case of leaving queue, when instance is not created yet
    if (!bg && action == 0)
        bg = sBattlegroundMgr->GetBattlegroundTemplate(bgTypeId);
    if (!bg)
    {
        sLog->outError("BattlegroundHandler: bg_template not found for type id %u.", bgTypeId);
        return;
    }

    // expected bracket entry
    PvPDifficultyEntry const* bracketEntry = GetBattlegroundBracketByLevel(bg->GetMapId(), _player->getLevel());
    if (!bracketEntry)
        return;

    //some checks if player isn't cheating - it is not exactly cheating, but we cannot allow it
    if (action == 1 && ginfo.ArenaType == 0)
    {
        //if player is trying to enter battleground (not arena!) and he has deserter debuff, we must just remove him from queue
        if (!_player->CanJoinToBattleground())
        {
            //send bg command result to show nice message
            WorldPacket data2;
            sBattlegroundMgr->BuildGroupJoinedBattlegroundPacket(&data2, ERR_GROUP_JOIN_BATTLEGROUND_DESERTERS);
            _player->GetSession()->SendPacket(&data2);
            action = 0;
            sLog->outDebug(LOG_FILTER_BATTLEGROUND, "Battleground: player %s (%u) has a deserter debuff, do not port him to battleground!", _player->GetName(), _player->GetGUIDLow());
        }
        //if player don't match battleground max level, then do not allow him to enter! (this might happen when player leveled up during his waiting in queue
        if (_player->getLevel() > bg->GetMaxLevel())
        {
            sLog->outError("Battleground: Player %s (%u) has level (%u) higher than maxlevel (%u) of battleground (%u)! Do not port him to battleground!", _player->GetName(), _player->GetGUIDLow(), _player->getLevel(), bg->GetMaxLevel(), bg->GetTypeID());
            action = 0;
        }
    }
    uint32 queueSlot = _player->GetBattlegroundQueueIndex(bgQueueTypeId);
    WorldPacket data;
    switch (action >> 7)
    {
    case 1:          // port to battleground
        if (!_player->IsInvitedForBattlegroundQueueType(bgQueueTypeId))
            return;          // cheating?

        if (!_player->InBattleground())
            _player->SetBattlegroundEntryPoint();

        // resurrect the player
        if (!_player->isAlive())
        {
            _player->ResurrectPlayer(1.0f);
            _player->SpawnCorpseBones();
        }
        // stop taxi flight at port
        if (_player->isInFlight())
        {
            _player->GetMotionMaster()->MovementExpired();
            _player->CleanupAfterTaxiFlight();
        }

        sBattlegroundMgr->BuildBattlegroundStatusPacket(&data, bg, queueSlot, STATUS_IN_PROGRESS, 0, bg->GetStartTime(), bg->GetArenaType());
        _player->GetSession()->SendPacket(&data);
        // remove battleground queue status from BGmgr
        bgQueue.RemovePlayer(_player->GetGUID(), false);
        // this is still needed here if battleground "jumping" shouldn't add deserter debuff
        // also this is required to prevent stuck at old battleground after SetBattlegroundId set to new
        if (Battleground *currentBg = _player->GetBattleground())
            currentBg->RemovePlayerAtLeave(_player->GetGUID(), false, true);

        // set the destination instance id
        _player->SetBattlegroundId(bg->GetInstanceID(), bgTypeId);
        // set the destination team
        _player->SetBGTeam(ginfo.Team);
        // bg->HandleBeforeTeleportToBattleground(_player);
        sBattlegroundMgr->SendToBattleground(_player, ginfo.IsInvitedToBGInstanceGUID, bgTypeId);
        // add only in HandleMoveWorldPortAck()
        // bg->AddPlayer(_player, team);
        sLog->outDebug(LOG_FILTER_BATTLEGROUND, "Battleground: player %s (%u) joined battle for bg %u, bgtype %u, queue type %u.", _player->GetName(), _player->GetGUIDLow(), bg->GetInstanceID(), bg->GetTypeID(), bgQueueTypeId);
        break;
    case 0:          // leave queue
        // if player leaves rated arena match before match start, it is counted as he played but he lost
        if (ginfo.IsRated && ginfo.IsInvitedToBGInstanceGUID)
        {
            ArenaTeam * at = sObjectMgr->GetArenaTeamById(ginfo.Team);
            if (at)
            {
                sLog->outDebug(LOG_FILTER_BATTLEGROUND, "UPDATING memberLost's personal arena rating for %u by opponents rating: %u, because he has left queue!", GUID_LOPART(_player->GetGUID()), ginfo.OpponentsTeamRating);
                at->MemberLost(_player, ginfo.OpponentsMatchmakerRating);
                at->SaveToDB();
            }
        }
        _player->RemoveBattlegroundQueueId(bgQueueTypeId);          // must be called this way, because if you move this call to queue->removeplayer, it causes bugs
        sBattlegroundMgr->BuildBattlegroundStatusPacket(&data, bg, queueSlot, STATUS_NONE, 0, 0, 0);
        bgQueue.RemovePlayer(_player->GetGUID(), true);
        // player left queue, we should update it - do not update Arena Queue
        if (!ginfo.ArenaType)
            sBattlegroundMgr->ScheduleQueueUpdate(ginfo.ArenaMatchmakerRating, ginfo.ArenaType, bgQueueTypeId, bgTypeId, bracketEntry->GetBracketId());
        SendPacket(&data);
        sLog->outDebug(LOG_FILTER_BATTLEGROUND, "Battleground: player %s (%u) left queue for bgtype %u, queue type %u.", _player->GetName(), _player->GetGUIDLow(), bg->GetTypeID(), bgQueueTypeId);
        break;
    default:
        sLog->outError("Battleground port: unknown action %u", action);
        break;
    }
}

void WorldSession::HandleLeaveBattlefieldOpcode (WorldPacket& recv_data)
{
    sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: Recvd CMSG_LEAVE_BATTLEFIELD Message");

    // uint64
    recv_data.read_skip<uint8>();          // unk1
    recv_data.read_skip<uint8>();          // unk2
    recv_data.read_skip<uint32>();          // BattlegroundTypeId
    recv_data.read_skip<uint16>();          // unk3

    // not allow leave battleground in combat
    if (_player->isInCombat())
        if (Battleground* bg = _player->GetBattleground())
            if (bg->GetStatus() != STATUS_WAIT_LEAVE)
                return;

    _player->LeaveBattleground();
}

void WorldSession::HandleBattlefieldStatusOpcode (WorldPacket & /*recv_data*/)
{
    // empty opcode
    sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: Battleground status");

    WorldPacket data;
    // we must update all queues here
    Battleground *bg = NULL;
    for (uint8 i = 0; i < PLAYER_MAX_BATTLEGROUND_QUEUES; ++i)
    {
        BattlegroundQueueTypeId bgQueueTypeId = _player->GetBattlegroundQueueTypeId(i);
        if (!bgQueueTypeId)
            continue;
        BattlegroundTypeId bgTypeId = BattlegroundMgr::BGTemplateId(bgQueueTypeId);
        uint8 arenaType = BattlegroundMgr::BGArenaType(bgQueueTypeId);
        if (bgTypeId == _player->GetBattlegroundTypeId())
        {
            bg = _player->GetBattleground();
            //i cannot check any variable from player class because player class doesn't know if player is in 2v2 / 3v3 or 5v5 arena
            //so i must use bg pointer to get that information
            if (bg && bg->GetArenaType() == arenaType)
            {
                // this line is checked, i only don't know if GetStartTime is changing itself after bg end!
                // send status in Battleground
                sBattlegroundMgr->BuildBattlegroundStatusPacket(&data, bg, i, STATUS_IN_PROGRESS, bg->GetEndTime(), bg->GetStartTime(), arenaType);
                SendPacket(&data);
                continue;
            }
        }
        //we are sending update to player about queue - he can be invited there!
        //get GroupQueueInfo for queue status
        BattlegroundQueue& bgQueue = sBattlegroundMgr->m_BattlegroundQueues[bgQueueTypeId];
        GroupQueueInfo ginfo;
        if (!bgQueue.GetPlayerGroupInfoData(_player->GetGUID(), &ginfo))
            continue;
        if (ginfo.IsInvitedToBGInstanceGUID)
        {
            bg = sBattlegroundMgr->GetBattleground(ginfo.IsInvitedToBGInstanceGUID, bgTypeId);
            if (!bg)
                continue;
            uint32 remainingTime = getMSTimeDiff(getMSTime(), ginfo.RemoveInviteTime);
            // send status invited to Battleground
            sBattlegroundMgr->BuildBattlegroundStatusPacket(&data, bg, i, STATUS_WAIT_JOIN, remainingTime, 0, arenaType);
            SendPacket(&data);
        }
        else
        {
            bg = sBattlegroundMgr->GetBattlegroundTemplate(bgTypeId);
            if (!bg)
                continue;

            // expected bracket entry
            PvPDifficultyEntry const* bracketEntry = GetBattlegroundBracketByLevel(bg->GetMapId(), _player->getLevel());
            if (!bracketEntry)
                continue;

            uint32 avgTime = bgQueue.GetAverageQueueWaitTime(&ginfo, bracketEntry->GetBracketId());
            // send status in Battleground Queue
            sBattlegroundMgr->BuildBattlegroundStatusPacket(&data, bg, i, STATUS_WAIT_QUEUE, avgTime, getMSTimeDiff(ginfo.JoinTime, getMSTime()), arenaType);
            SendPacket(&data);
        }
    }
}

void WorldSession::HandleAreaSpiritHealerQueryOpcode (WorldPacket & recv_data)
{
    sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: CMSG_AREA_SPIRIT_HEALER_QUERY");

    Battleground *bg = _player->GetBattleground();

    uint64 guid;
    recv_data >> guid;

    Creature *unit = GetPlayer()->GetMap()->GetCreature(guid);
    if (!unit)
        return;

    if (!unit->isSpiritService())          // it's not spirit service
        return;

    if (bg)
    {
        sBattlegroundMgr->SendAreaSpiritHealerQueryOpcode(_player, bg, guid);
    }
    else
    {          // Wintergrasp Hack till 3.3.5 and it's implemented as BG
        if (GetPlayer()->GetZoneId() == 4197)
        {
            OutdoorPvPWG *pvpWG = (OutdoorPvPWG*) sOutdoorPvPMgr->GetOutdoorPvPToZoneId(4197);
            if (pvpWG && pvpWG->isWarTime())
                pvpWG->SendAreaSpiritHealerQueryOpcode(_player, guid);
        }
    }
}

void WorldSession::HandleAreaSpiritHealerQueueOpcode (WorldPacket & recv_data)
{
    sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: CMSG_AREA_SPIRIT_HEALER_QUEUE");

    Battleground *bg = _player->GetBattleground();

    uint64 guid;
    recv_data >> guid;

    Creature *unit = GetPlayer()->GetMap()->GetCreature(guid);
    if (!unit)
        return;

    if (!unit->isSpiritService())          // it's not spirit service
        return;

    if (bg)
        bg->AddPlayerToResurrectQueue(guid, _player->GetGUID());
    else
    {          // Wintergrasp Hack till 3.3.5 and it's implemented as BG
        if (GetPlayer()->GetZoneId() == 4197)
        {
            OutdoorPvPWG *pvpWG = (OutdoorPvPWG*) sOutdoorPvPMgr->GetOutdoorPvPToZoneId(4197);
            if (pvpWG && pvpWG->isWarTime())
                pvpWG->AddPlayerToResurrectQueue(guid, _player->GetGUID());
        }
    }
}

void WorldSession::HandleBattlemasterJoinArena (WorldPacket & recv_data)
{
    sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: CMSG_BATTLEMASTER_JOIN_ARENA");
    //recv_data.hexlike();

            uint8 arenaslot;// 2v2, 3v3 or 5v5
            Group * grp = NULL;

            bool isRated = true, asGroup = true;

    recv_data >> arenaslot;

    // ignore if we already in BG or BG queue
    if (_player->InBattleground())
    return;

    uint8 arenatype = 0;
    uint32 arenaRating = 0;
    uint32 matchmakerRating = 0;

    switch (arenaslot)
    {
        case 0:
        arenatype = ARENA_TYPE_2v2;
        break;
        case 1:
        arenatype = ARENA_TYPE_3v3;
        break;
        case 2:
        arenatype = ARENA_TYPE_5v5;
        break;
        default:
        sLog->outError("Unknown arena slot %u at HandleBattlemasterJoinArena()", arenaslot);
        return;
    }

    //check existance
    Battleground* bg = sBattlegroundMgr->GetBattlegroundTemplate(BATTLEGROUND_AA);
    if (!bg)
    {
        sLog->outError("Battleground: template bg (all arenas) not found");
        return;
    }

    if (sDisableMgr->IsDisabledFor(DISABLE_TYPE_BATTLEGROUND, BATTLEGROUND_AA, NULL))
    {
        ChatHandler(this).PSendSysMessage(LANG_ARENA_DISABLED);
        return;
    }

    BattlegroundTypeId bgTypeId = bg->GetTypeID();
    BattlegroundQueueTypeId bgQueueTypeId = BattlegroundMgr::BGQueueTypeId(bgTypeId, arenatype);
    PvPDifficultyEntry const* bracketEntry = GetBattlegroundBracketByLevel(bg->GetMapId(), _player->getLevel());
    if (!bracketEntry)
    return;

    GroupJoinBattlegroundResult err = ERR_GROUP_JOIN_BATTLEGROUND_FAIL;

    if (!asGroup)
    {
        // check if already in queue
        if (_player->GetBattlegroundQueueIndex(bgQueueTypeId) < PLAYER_MAX_BATTLEGROUND_QUEUES)
        //player is already in this queue
        return;
        // check if has free queue slots
        if (!_player->HasFreeBattlegroundQueueId())
        return;
    }
    else
    {
        grp = _player->GetGroup();
        // no group found, error
        if (!grp)
        return;
        if (grp->GetLeaderGUID() != _player->GetGUID())
        return;
        err = grp->CanJoinBattlegroundQueue(bg, bgQueueTypeId, arenatype, arenatype, (bool)isRated, arenaslot);
    }

    uint32 ateamId = 0;

    if (isRated)
    {
        ateamId = _player->GetArenaTeamId(arenaslot);
        // check real arenateam existence only here (if it was moved to group->CanJoin .. () then we would ahve to get it twice)
        ArenaTeam * at = sObjectMgr->GetArenaTeamById(ateamId);
        if (!at)
        {
            _player->GetSession()->SendNotInArenaTeamPacket(arenatype);
            return;
        }
        // get the team rating for queueing
        arenaRating = at->GetRating();
        matchmakerRating = at->GetAverageMMR(grp);
        // the arenateam id must match for everyone in the group

        if (arenaRating <= 0)
        arenaRating = 1;
    }

    BattlegroundQueue &bgQueue = sBattlegroundMgr->m_BattlegroundQueues[bgQueueTypeId];
    if (asGroup)
    {
        uint32 avgTime = 0;

        if (err > 0)
        {
            sLog->outDebug(LOG_FILTER_BATTLEGROUND, "Battleground: arena join as group start");
            if (isRated)
            {
                sLog->outDebug(LOG_FILTER_BATTLEGROUND, "Battleground: arena team id %u, leader %s queued with matchmaker rating %u for type %u", _player->GetArenaTeamId(arenaslot), _player->GetName(), matchmakerRating, arenatype);
                bg->SetRated(true);
            }
            else
            bg->SetRated(false);

            GroupQueueInfo * ginfo = bgQueue.AddGroup(_player, grp, bgTypeId, bracketEntry, arenatype, isRated, false, arenaRating, matchmakerRating, ateamId);
            avgTime = bgQueue.GetAverageQueueWaitTime(ginfo, bracketEntry->GetBracketId());
        }

        for (GroupReference *itr = grp->GetFirstMember(); itr != NULL; itr = itr->next())
        {
            Player *member = itr->getSource();
            if (!member)
            continue;

            WorldPacket data;

            if (err <= 0)
            {
                sBattlegroundMgr->BuildGroupJoinedBattlegroundPacket(&data, err);
                member->GetSession()->SendPacket(&data);
                continue;
            }

            // add to queue
            uint32 queueSlot = member->AddBattlegroundQueueId(bgQueueTypeId);

            // send status packet (in queue)
            sBattlegroundMgr->BuildBattlegroundStatusPacket(&data, bg, queueSlot, STATUS_WAIT_QUEUE, avgTime, 0, arenatype);
            member->GetSession()->SendPacket(&data);
            sBattlegroundMgr->BuildGroupJoinedBattlegroundPacket(&data, err);
            member->GetSession()->SendPacket(&data);
            sLog->outDebug(LOG_FILTER_BATTLEGROUND, "Battleground: player joined queue for arena as group bg queue type %u bg type %u: GUID %u, NAME %s", bgQueueTypeId, bgTypeId, member->GetGUIDLow(), member->GetName());
        }
    }
    else
    {
        GroupQueueInfo * ginfo = bgQueue.AddGroup(_player, NULL, bgTypeId, bracketEntry, arenatype, isRated, false, arenaRating, matchmakerRating, ateamId);
        uint32 avgTime = bgQueue.GetAverageQueueWaitTime(ginfo, bracketEntry->GetBracketId());
        uint32 queueSlot = _player->AddBattlegroundQueueId(bgQueueTypeId);

        WorldPacket data;
        // send status packet (in queue)
        sBattlegroundMgr->BuildBattlegroundStatusPacket(&data, bg, queueSlot, STATUS_WAIT_QUEUE, avgTime, 0, arenatype);
        SendPacket(&data);
        sLog->outDebug(LOG_FILTER_BATTLEGROUND, "Battleground: player joined queue for arena, skirmish, bg queue type %u bg type %u: GUID %u, NAME %s", bgQueueTypeId, bgTypeId, _player->GetGUIDLow(), _player->GetName());
    }
    sBattlegroundMgr->ScheduleQueueUpdate(matchmakerRating, arenatype, bgQueueTypeId, bgTypeId, bracketEntry->GetBracketId());
}

void WorldSession::HandleReportPvPAFK (WorldPacket & recv_data)
{
    uint64 playerGuid;
    recv_data >> playerGuid;
    Player *reportedPlayer = sObjectMgr->GetPlayer(playerGuid);

    if (!reportedPlayer)
    {
        sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLDSession::HandleReportPvPAFK: player not found");
        return;
    }

    sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLDSession::HandleReportPvPAFK: %s reported %s", _player->GetName(), reportedPlayer->GetName());

    reportedPlayer->ReportedAfkBy(_player);
}
